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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur MEDIA KOMUNIKASI TEKNIK SIPIL REKA RACANA Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) INTEKNA Teknisia Jurnal Teknik Sipil BANGUN REKAPRIMA FROPIL (Forum Profesional Teknik Sipil) Reviews in Civil Engineering Jurnal UNITEK Jurnal Rekayasa Infrastruktur Sipil Jurnal Sosial dan Abdimas Jurnal Penelitian Rumpun Ilmu Teknik Jurnal Profesi Insinyur Indonesia
Yudhi Arnandha
Universitas Tidar
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences Transportation Other

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Analysis of Column Compressive and Adhesive Strengths of Laminated Wood From Pine Pallet Wood Waste and Mahogany as Reinforcement Arnandha, Yudhi; Indraswari, Mufida; Firmansyah, Dedy
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 19 No. 2 (2023): December
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v19i2.48410

Abstract

In Indonesia, the increasing demand for wood as an industrial material and the decline in its production rate, which is usually due to illegal logging, causes the emergence of less efficient wood waste. And one of the methods for efficiently utilizing these waste is through lamination. Accordingly, lamination is a technique that involves the gluing of two or more pieces of wood together. Therefore, the purpose of this study was to determine the value of the adhesive and compressive strength of laminated columns between pine pallet waste and mahogany wood reinforcement. The adhesive strength of 20, 30, 40, and 50 MDGL variations joined together using PVAc glue, as well as the compressive strength with variations of T0 (Pine-Pine-Pine-Pine-Pine),  T1 (Mahogany-Pine-Mahogany), T2 (Mahogany-Pine-Mahogany-Pine), and T3 (Mahogany-Pine-Mahogany-Pine-Mahogany) were tested in this study. Furthermore, the adhesive and compressive strength tests were in accordance with the ASTM D905-03 standard and the SNI 03-3958-1995, respectively. The adhesive strength test was carried out at the Building Materials Laboratory, Civil Engineering and Planning Study Program, and Faculty of Engineering at the Yogyakarta State University, while the compressive strength test was performed at the Structural Laboratory, Civil Engineering Department, as well as the Engineering Faculty of Tidar University. Data were then analyzed using the one-way ANOVA test and the results of each variation's adhesive strength test were 1.359 MPa, 564 MPa, 1.699 MPa, and 1.558 MPa for the 20, 30, 40, and 50 MDGL MDGL variations respectively. Furthermore, the results of the compressive strength test with variations T0, T1, T2, and T3 were 6.158 MPa, 7.366 MPa, 7.135 MPa, and 6.923 MPa respectively. It was concluded that the highest adhesive strength was at 40 MDGL and the highest compressive strength was at variation T1 (Mahoni-Pinus-Mahoni).
EVALUASI STRUKTUR RANGKA BAJA PADA GEDUNG PARKIR UNIVERSITAS TIDAR BERDASARKAN SNI-1729-2015 Fahri, Misbakhul; Arnandha, Yudhi; Yuwana, Dwi Sat Agus; Wicaksono, Teguh Mulyo
Bangun Rekaprima Vol 8, No 2 (2022): Oktober 2022
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (557.207 KB) | DOI: 10.32497/bangunrekaprima.v8i2.3964

Abstract

Standar perencanaan baja meliputi dasar perencanaan, perilaku tegangan dan pengaruh stabilitas struktur baja sesuai SNI 1729 tentang Spesifikasi Untuk Bangunan Baja Struktural. Peraturan SNI 1729-2015, terdapat metode desain Direct Analysis Method (DAM) sebagai alternatif dari Effective Length Method (ELM) yang telah digunakan pada SNI 03-1729-2002. Gedung parkir Universitas Tidar dibangun tahun 2019 direncanakan menggunakan peraturan SNI 03-1729-2002 maka diperlukan tinjauan ulang menggunakan peraturan terbaru. Bangunan model rangka portal baja atau biasa disebut Sistem Rangka Pemikul Momen Khusus (SRPMK) pada kondisi tanah sedang (SD). Parameter respons spektral percepatan gempa berdasarkan peraturan SNI 1726-2019. Dalam periode fundamental struktur (T)terdapat faktor yang mempengaruhi berdasarkan kategori resiko antara lain Cu 1,4 , untuk rangka pemikul momen Ct 0,0724 dan x 0,8 , maka Ta didapatkan 0,608 detik, faktor sistem penahan gaya gempa Ω03, Cd 5,5, dan R 8. Didapatkan Cs sebesar 0,153 lebih besar dari Cs minimum 0,0406 maka koefisien respons seismik (Cs) sudah memenuhi ketentuan. Dari analisis massa ragam menunjukkan angka 0,999 dan 1 pada MODAL 12 yang menunjukkan partisipasi massa ragam telah mendekati 100% dan telah memenuhi syarat peraturan yang digunakan dengan mode getar translasi pada mode 1 dan 2 sedangkan mode 3 mulai bersifat rotasi. Simpangan terbesar ada pada lantai 3 yaitu sebesar 0,0067 dengan simpangan ijin maks adalah 0,065. Gaya dalam terbesar muncul akibat kombinasi  beban ke 4 yaitu 1,2 D+1,3W+γL L+0,5(La atau H). Dari SAP2000 pada elemen struktur gedung parkir Universitas Tidar tidak ada satupun elemen struktur yang berwarna merah over strenght (O/S) maka konstruksi dapat dikatakan aman
ANALISIS KUAT REKAT DAN KUAT TEKAN SEJAJAR SERAT LAMINASI MDF DENGAN PERKUATAN KAYU MAHONI Triniko, Julian Winantun; Arnandha, Yudhi; Firmansyah, Dedy
INTEKNA Jurnal Informasi Teknik dan Niaga Vol 23 No 1 (2023): Jurnal INTEKNA, Volume 23, No. 1, Mei 2023
Publisher : P3M Politeknik Negeri Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Permintaan terhadap kayu yang semakin tinggi menyebabkan ketersediaan kayu semakin berkurang, sehingga perlu adanya inovasi terhadap olahan kayu murni. Salah satu cara untuk mengurangi penggunaan kayu murni yaitu dengan membuat produk daur ulang dari limbah kayu, seperti Medium Density Fiberboard (MDF). Keutamaan penelitian ini yaitu penggunaan perkuatan kayu mahoni untuk meningkatkan kuat tekan kolom laminasi MDF. Pengujian kuat rekat dengan susunan MDF-mahoni dan MDF-MDF dengan jumlah pelaburan 30, 40, 50 MDGL di setiap susunannya berukuran 44,4 x 18 x 50,8 mm. Pengujian kuat tekan dengan susunan laminasi yaitu A0 (MDF-MDF-MDF-MDF-MDF), A1 (Mahoni-MDF-Mahoni), A2 (Mahoni-MDF-MDF-Mahoni), A3 (Mahoni-MDF-Mahoni-MDF-Mahoni), berukuran 60 x 60 x 200 mm. Pengujian kuat rekat dilakukan di Laboratorium Struktur, Jurusan Teknik Sipil, Fakultas Teknik, Universitas Negeri Yogyakarta, Yogyakarta. Pengujian kuat tekan dilakukan di Laboratorium Struktur, Jurusan Teknik Sipil, Fakultas Teknik, Universitas Tidar, Magelang. Hasil pengujian nilai kuat rekat terbesar terdapat pada jumlah pelaburan 50 MDGL disetiap susunannya dengan nilai 2,70 MPa dan 1,85 MPa. Hasil pengujian kuat tekan memiliki nilai terkecil 8,99 MPa dengan variasi susunan A0, dan terbesar 25,71 MPa dengan variasi susunan A1.
ANALISIS KEKUATAN LENTUR KAYU SENGON AKIBAT KONDISI TERENDAM AIR SUNGAI Naeni, Heni Faidatul; Arnandha, Yudhi; Aswadi, Lalu Samsul
Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) Vol 12 No 2 (2024): Jurnal Ilmiah MITSU
Publisher : Fakultas Teknik, Universitas Wiraraja

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24929/ft.v12i2.3471

Abstract

Soaking wood is often done by traditional communities, including the people of Jogotamu Hamlet, Loano Village, Purworejo Regency, to preserve wood to be used as construction materials such as battens and formwork. Testing the flexural strength of sengon wood beams, which are low grade wood, were immersed in river water to see the effect of the bending strength of sengon wood due to being submerged in river water. The main objective of this research is to determine the physical properties (water content, density, and specific gravity), Modulus of Rupture (MoR), and Modulus of Elasticity (MoE). Flexural strength testing of sengon beams measuring 760 mm x 50 mm x 50 mm with guidelines based on SNI-03-3959-1995 with variations without soaking, 7 days soaking, 14 days soaking, 21 days soaking, 28 days soaking, and 35 days soaking Flexural strength testing was carried out at the Structure Laboratory of the Civil Engineering Department, Faculty of Engineering, Tidar University, Magelang. The test results produced an average value of water content without soaking, soaking for 7 days, 14 days, 21 days, 28 days and 35 days respectively, namely 14.65%, 31.85%, 36.21%, 31.85%, 33.37%, and 32.84%. The average density values are respectively 0.40 gr/cm3, 0.57 gr/cm3, 0.66 gr/cm3, 0.60 gr/cm3, 0.64 gr/cm3, and 0.61 gr/ cm3. The average values of specific gravity are 0.35, 0.43, 0.48, 0.46, 0.48, and 0.46, respectively. The average Modulus of Rupture (MoR) values were 24.77 MPa, 23.82 MPa, 22.75 MPa, 23.86 MPa, 23.73 MPa, and 25.47 MPa, respectively. Meanwhile, the average Modulus of Elasticity (MoE) values are 3,495.20 MPa, 3,382.14 MPa, 3,893.05 MPa, 4,316.36 MPa, 1,689.34 MPa, 2,899.42 MPa. Based on Anova analysis, soaking sengon wood during this period resulted in the conclusion that there was no significant difference or no effect.
Manajemen dan Pengawasan Proyek Rekonstruksi Jalan Geneng – Maron Titan Adya Safara; Nur Ahmad Husin; Yudhi Arnandha; Budi Suswanto; Tatas Tatas
Jurnal Penelitian Rumpun Ilmu Teknik Vol. 4 No. 1 (2025): Jurnal Penelitian Rumpun Ilmu Teknik
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juprit.v4i1.4767

Abstract

Construction work or construction projects are a collection of complex tasks interconnected with each other. In its implementation, these construction projects must be adjusted to the plans that have been made, both in terms of volume, quality, cost, and time. The execution of these projects requires management and supervision by a supervisory team, which acts as a consultancy service provider to assist the Public Works and Spatial Planning Agency of Temanggung Regency. This project is the Reconstruction Package of the Geneng – Maron Road Section located in Temanggung Regency. Temanggung Regency is a regency located in Central Java Province which serves as one of the connectors between the Capital of Central Java Province and other cities or regencies. Road maintenance is carried out periodically as one of the efforts to maintain district roads. Routine road maintenance is carried out once a year, but for the improvement of the Geneng – Maron road section, it is carried out after the last improvement in 2016. Based on the Minister of Public Works Regulation No. 13/PRT/M/2011 regarding Procedures for Road Maintenance and Road Inspection, there is a table determining the road maintenance program for asphalt/concrete-covered roads, indicating that roads in severe disrepair should undergo reconstruction or improvement. The Geneng – Maron road itself is a district road frequently traversed by various classes of vehicles. However, the Geneng – Maron Road should have its status changed due to frequent passage by heavy-duty vehicles, causing it to deteriorate more rapidly due to its design and function being inadequate. Therefore, routine maintenance cannot be applied this year because the damage is already severe enough to require road reconstruction.
Pengembangan Kapasitas Kewirausahaan Berbasis Digitalisasi Untuk Meningkatkan Kemandirian Siswa Disabilitas Bharata, Risma Wira; Nurcahya, Yulida Army; Arnandha, Yudhi
Jurnal Sosial & Abdimas Vol 7 No 1 (2025): Jurnal Sosial & Abdimas
Publisher : LPPM Universitas Adhirajasa Reswara Sanjaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51977/jsa.v7i1.1448

Abstract

Pengabdian ini dilatarbelakangi oleh permasalahan siswa penyandang disabilitas di SLB YPPALB Kota Magelang antara lain: keterbatasan disabilitas dalam mobilitas, belum adanya dorongan untuk mengembangkan diri, kurangnya pelatihan dari pemerintah terkait keterampilan disabilitas, tingkat kompetensi disabilitas masih kurang, dan tingkat produktifitas masih rendah. Pengabdian ini bertujuan untuk mencapai kesejahteraan penyandang disabilitas dengan meningkatkan kemandirian mengenai hal-hal terkait (a) motivasi kewirausahaan era digital berdasarkan keterampilan yang dimiliki sesuai dengan kemampuannya, (b) pengenalan perencanaan bisnis untuk memulai usaha, dan (c) pembuatan business model canvas dengan aplikasi digital. Kegiatan pengabdian ini dilakukan dengan menggunakan metode ceramah, tutorial, dan diskusi. Luaran wajib dari program ini adalah siswa disabilitas SLB YPPALB Kota Magelang mempunyai motivasi kewirausahaan era digital dan siswa disabilitas SLB YPPALB Kota Magelang mempunyai dokumen perencanaan bisnis dengan aplikasi digital. Luaran tambahan pada penelitian ini adalah publikasi jurnal nasional terakreditasi.
Analisis Sifat Mekanik Lentur Papan Laminasi Kombinasi Bambu Petung dan Bambu Ater Belatrix, Nur Noviana; Arnandha, Yudhi; Firmansyah, Dedy
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 18 No. 1 (2022): Mei
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v18i1.48260

Abstract

Kemajuan teknologi memunculkan alternatif bahan bangunan pengganti kayu, seperti bambu laminasi. Laminasi bambu menggunakan kombinasi dua jenis bambu yaitu bambu petung dan bambu ater. Bambu petung memiliki kuat lentur lebih besar dibandingkan bambu ater dapat meningkatkan nilai MOR dan MOE. Penelitian ini bertujuan untuk mengetahui kuat lentur, pengaruh susunan lapisan laminasi, pengaruh penambahan bambu petung pada laminasi bambu ater dari laminasi kombinasi dua jenis bambu. Pengujian kuat lentur papan laminasi berukuran 55 cm x 10 cm x 2 cm yang mengacu pada ASTM D1037-06a dengan beban terpusat ditengah bentang. Papan laminasi terdiri dari 3 variasi susunan, setiap variasi ada 4 lapisan dengan tebal bilah 0,5 cm. Variasi A terdiri dari susunan bambu ater-ater-ater-ater, variasi B terdiri dari bambu petung-ater-petung-ater, variasi C terdiri dari bambu petung-petung-ater-ater. Hasil pengujian kuat lentur papan laminasi didapat nilai rata-rata Modulus of Rupture (MOR) variasi A sebesar 89,462 MPa, variasi B sebesar 96,778 MPa, dan variasi C sebesar 79,173 MPa. Nilai rata-rata Modulus of Elasticity (MOE) variasi A sebesar 13256,830 MPa, variasi B sebesar 14856,552 MPa, dan variasi C sebesar 12981,294 MPa. Susunan variasi B petung-ater-petung-ater dapat meningkatkan nilai Modulus of Rupture dan Modulus of Elasticity.
The Analysis of Screws Spacing Effect On The Flexural Strength Of Laminated Wood Beams From Pine Pallets Waste Arnandha, Yudhi; Pandhini, Kadarosi Dyah; Murtopo, Ali
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 19 No. 1 (2023): May
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v19i1.48457

Abstract

Pine pallets are often used to design the interior of houses, as opposed to pine waste, which is underutilized due to its reduced strength and limited size. Therefore, this research aims to optimize the use of pine pallet waste by making laminated beams using screw joints and determining the effect of screw spacing on the strong bending of laminated beams. Flexural strength tests of laminated wood beams measuring 5 cm x 5 cm x 76 cm with varying screw spacing of 4 cm, 8 cm, 12 cm, and 16 were used to conduct this research. This is in addition to screw length, head, and body diameters of 5 cm, 8 mm, and 4 mm, respectively. Strong bending testing was carried out at the Structural Laboratory of the Department of Civil Engineering, Faculty of Engineering, Tidar University, Magelang. The test results of consecutive Modulus of Rupture (MOR) had average values of 20.996 MPa, 23.067 MPa, 20.207 MPa, 19.292 MPa. and Modulus of Elasticity (MOE) of 1,352.68 MPa, 1,449.35 MPa, 1,146.76 MPa, and 1,128.90 MPa. The result showed that the use of varying screw spacing has no significant effect on the flexural strength of laminated beams. Furthermore, the laminated pine pallet waste with screws can be used as an alternative to pure wood by paying attention to the proper joint spacing.
Co-Authors Achmad Rafi'ud Darajat Ahmad Lukman Rifai Ali Awaludin Ali Murtopo Ali Murtopo Ali Murtopo Anis Rakhmawati Anis Rakhmawati Arfiati FArdhani, Arfiati Aswadi, Lalu Samsul Ayu Pusdikawarsi Narendrani Istiqomah Bambang Surendro Belatrix, Nur Noviana Bharata, Risma Wira Budi Suswanto Dedy Firmansyah Dedy Firmansyah Dedy Firmansyah, Dedy Elmi Nur Sayekti Evi Puspitasari Fahri, Misbakhul Fajar Susilowati Iman Satyarno Indraswari, Mufida Jualiana, Ervananda Putri Julian Winantun Triniko Khoirun Ni’am Muhammad Djaeni Muhammad Haidar Irfansyah Muhammad Hari Nugroho Muhammad Rifki Attib Brizi Muhammad Zaeni Naeni, Heni Faidatul Nur Ahmad Husin Pandhini, Kadarosi Dyah Riadhi Ahyar Riris Nur Anisah Rizki Lukman Saleh Rizki Maulana Sandi Prabowo Sapto Nisworo Tatas Tatas Titan Adya Safara Titis Wijaksono Triniko, Julian Winantun Wahyu Adi Pratama Wahyu Seno Aji Wicaksono, Teguh Mulyo Yulida Army Nurcahya yuwana, dwi sat agus